1238677920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{31859}}^1$

素因数の和:31889

約数の個数: 144

約数和(自身を含む): 4383681120

約数和(自身を除く): 3145003200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 19440, 31859, 38880, 63718, 95577, 127436, 159295, 191154, 254872, 286731, 318590, 382308, 477885, 509744, 573462, 637180, 764616, 860193, 955770, 1019488, 1146924, 1274360, 1433655, 1529232, 1720386, 1911540, 2293848, 2548720, 2580579, 2867310, 3058464, 3440772, 3823080, 4300965, 4587696, 5097440, 5161158, 5734620, 6881544, 7646160, 7741737, 8601930, 9175392, 10322316, 11469240, 12902895, 13763088, 15292320, 15483474, 17203860, 20644632, 22938480, 25805790, 27526176, 30966948, 34407720, 38708685, 41289264, 45876960, 51611580, 61933896, 68815440, 77417370, 82578528, 103223160, 123867792, 137630880, 154834740, 206446320, 247735584, 309669480, 412892640, 619338960, 1238677920]

約数ペア:

[(1, 1238677920), (2, 619338960), (3, 412892640), (4, 309669480), (5, 247735584), (6, 206446320), (8, 154834740), (9, 137630880), (10, 123867792), (12, 103223160), (15, 82578528), (16, 77417370), (18, 68815440), (20, 61933896), (24, 51611580), (27, 45876960), (30, 41289264), (32, 38708685), (36, 34407720), (40, 30966948), (45, 27526176), (48, 25805790), (54, 22938480), (60, 20644632), (72, 17203860), (80, 15483474), (81, 15292320), (90, 13763088), (96, 12902895), (108, 11469240), (120, 10322316), (135, 9175392), (144, 8601930), (160, 7741737), (162, 7646160), (180, 6881544), (216, 5734620), (240, 5161158), (243, 5097440), (270, 4587696), (288, 4300965), (324, 3823080), (360, 3440772), (405, 3058464), (432, 2867310), (480, 2580579), (486, 2548720), (540, 2293848), (648, 1911540), (720, 1720386), (810, 1529232), (864, 1433655), (972, 1274360), (1080, 1146924), (1215, 1019488), (1296, 955770), (1440, 860193), (1620, 764616), (1944, 637180), (2160, 573462), (2430, 509744), (2592, 477885), (3240, 382308), (3888, 318590), (4320, 286731), (4860, 254872), (6480, 191154), (7776, 159295), (9720, 127436), (12960, 95577), (19440, 63718), (31859, 38880)]